Sheep, goats, octopuses, and toads have rectangular pupils.
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Early American humans hunted car-size armadillos and used their shells for houses.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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